Method for accessing bypassed production zones
US5484018A · kind A · utility
17Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1994 |
| Grant date | Jan 16, 1996 |
| Priority date | — |
| Expiry date | Aug 16, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for establishing production of oil or gas from a secondary production zone which is above a primary production zone in a well in which a settable material is placed in the annulus between the casing and the tubing above the secondary production zone and allowed to set up, and the secondary zone is then perforated with a through-tubing perforating gun.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.